Synthesis of poly-functionalized benzofurans<i>via</i>one-pot domino oxidation/[3+2] cyclization reactions of a hydroquinone ester and ynamides

Abstract

the first one-pot domino oxidation/[3+2] cyclization of a hydroquinone ester and easily accessible ynamides under mild conditions in a short time. The complex benzofurans were able to be efficiently synthesized all from simple and inexpensive starting materials in two steps.